Prognostic values of optic nerve sheath diameter for comatose patients with acute stroke: An observational study

Table 1 Participants' baseline characteristics, n (%)

Characteristics	Value
Age (yr)	59.72 ± 16.72
Gender, male, n (%)	32 (47.76)
Height (cm)	164.88 ± 7.93
Body weight (kg)	65.86 ± 13.59
BMI	23.62 ± 4.43
MAP	89.03 ± 23.25
Stroke type
ACI	13 (19.4)
CH	39 (58.2)
SAH	15 (22.4)
Stroke causes
ACI
Atherosclerosis	6 (46.2)
Cardiogenic cerebral embolism	4 (30.8)
Moyamoya disease	3 (23.1)
CH
Hypertension	24 (61.5)
Vascular malformation	13 (33.3)
Amyloidosis	2 (5.1)
SAH
Aneurysm	11 (73.3)
Vascular malformation	4 (26.7)
Mortality	42 (62.69)
ACI	10 (76.92)
CH	18 (46.2)
SAH	14 (93.3)
Surgery	19 (28.36)
ACI	3 (23)
CH	15 (38)
SAH	1 (7)

BMI: Body mass index; MAP: Mean arterial pressure; ACI: Acute cerebral infarction; CH: Cerebral hemorrhage; SAH: Subarachnoid hemorrhage.

Table 2 Comparison of different parameters between the death group and the survival group

Parameter	Death group (n = 42)	Survival group (n = 25)	χ2/t/Z value	P value
Age (yr)	62.3 ± 14.7	56.1 ± 18.9	1.405	0.165
Gender, male, n (%)	21 (50.0)	11 (44.0)	0.226	0.801
Height (cm)	164.1 ± 8.1	166.6 ± 8.0	-1.296	0.195
Body weight (kg)	64.7 ± 14.3	67.8 ± 13.6	-0.823	0.414
BMI	23.6 ± 3.5	23.6 ± 5.9	0.006	0.995
MAP	80.3 ± 18.8	103.5 ± 26.0	-3.585	< 0.0001
GCS score			49.809	< 0.0001
3	33	0
4	3	2
5	3	4
6	0	4
7	1	5
8	2	10
Stroke			11.981	0.003
ACI	10	3
CH	18	21
SAH	14	1
ONSD (mm)	6.32 ± 0.67	5.65 ± 0.62	4.078	< 0.0001
ONSD/ETD	0.28 ± 0.03	0.25 ± 0.02	4.625	< 0.0001
Surgery, n (%)	8 (19.0)	11 (44.0)	4.803	0.048

BMI: Body mass index; MAP: Mean arterial pressure; GCS: Glasgow coma score; ACI: Acute cerebral infarction; CH: Cerebral hemorrhage; SAH: Subarachnoid hemorrhage; ONSD: Optic nerve sheath diameter; ETD: Eyeball transverse diameter.